Academy of General Dentistry Dr. Art Jeske July 12, 2017
Transcript of Academy of General Dentistry Dr. Art Jeske July 12, 2017
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Academy of General DentistryDr. Art JeskeJuly 12, 2017
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The opinions expressed in this presentation are those of the
speaker and not necessarily those of the University of Texas
School of Dentistry or the Academy of General Dentistry
The opinions expressed in this course should not be
construed as advice for the care of specific patients.
The drugs and techniques contained in this course must be
based on the clinical judgment of the individual practitioner.
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Dr. Art JeskeU.T. School of Dentistry7500 Cambridge StreetSuite 6336Houston, TX 77054 USA
[email protected] Reserved
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Understand the pharmacologic characteristics of newer medications and their impact on dental treatment
Provide current, evidence-based information on major classes of drugs used in dentistry
Review appropriate emergency drugs for general dental practice and methods of administration
Review professional guidelines for the use of drugs in dentistry
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Microbial antibiotic resistance
Selection of traditional vs. newer
antibiotics
Minimizing adverse effects &
adverse drug interactions
Antibiotic prophylaxis
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Designed primarily for use against MRSA (non-beta-lactam PBP binders, oxadiazoles)
Dalbavancin (DALVANCE) Tedezolid (SIVEXTRO) Oritavancin (ORBACTIV) Rifaximin (XIFAXAN,
E. coli)
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___________________________________Clinical Research
Antibiotic Resistance in Primary and
Persistent Endodontic Infections
Jungermann GB et al.
Department of Endodontics,
Prosthodontics and Operative Dentistry,
Dental School, University of Maryland
J. Endod. 2011; 37(10)
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Methods Findings
Sampled bacteria in 30 primary/15 persistent infections
Characterized isolates for antibiotic resistance genes and phenotypic expression of resistance
bla TEM-1 = primary > persistent
Treatment reduced most EXCEPT tetM
No van A, D or E detected
Methods and Findings: Jungermann et al.
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Antibiotic Resistance Genes in Anaerobic
Bacteria Isolated From Primary Dental
Root Canal Infections
Rocas I.N., Siqueira J.F.
Department of Endodontics, Estacio de Sa University,
Rio de Janeiro, Brazil
Anaerobe – Volume 18, Number 6, December
2012, pp. 576-80
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Methods Findings
26 endodontic patients
All had necrosis + AP radiographically
Bacteriologic samples taken within 1 mm of apices
DNA extraction + PCR amplification for resistance genes
32% positive for at least one r gene
Most prevalent = blaTEM (17%), tetW(10%), ermC (10%)
Methods & Findings, Rocas & Siqueira, 2012
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Detection of Antibiotic Resistance Genes
in Samples From Acute and Chronic
Endodontic Infections Infections and After
Treatment
Rocas I.N., Siequeira, J.F. Department of Endodontics, Estacio de
Sa University, Rio de Janeiro, Brazil
Archives of Oral Biology – Volume 58,
Number 9, September 2013, pp. 1123-8
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Methods Findings
25 abscess aspirates, 26 root canal samples
All had asymptomatic AP
Also sampled root canals after chemomechanicalpreparation
DNA extraction + PCR amplification for resistance genes
36% abscess samples & 67% of asymptomatic cases positive for at least one resistance gene
Most prevalent in abscesses = blaTEM (24%) & ermC(24%)
tetM (42%) & tetW (29% prevailed in asymptomatic cases
Tx eliminated detectable resistance genes
Methods & Findings, Rocas & Siqueira, 2013
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______________________________Clinical_Research
Beta-lactamic Resistance Profiles in
Porphyromonas, Prevotella and ParvimonasSpecies Isolated from Acute Endodontic
Infections
Montagner F, Jacinto RC et al.
Journal of Endodontics
2014;3:339-344
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Methods Findings
20 patients with spontaneous pain & pulpal necrosis
Sterile access, paper point samples
Pure cultures for 3 organisms
Assessed penicillin & aminopenicillinresistance
2 of 29 isolates positive for cfxA/cfxA2 gene
Gene + lactamase production in 1 Prevotella strain
Gene only in 1 Parvimoinas strain
3 strains expressed lactamase w/o gene
Methods & Findings, Montagner et al., 2014
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“Rational” Dental Antibiotics For Orofacial Infections)
Narrow spectrum
Good activity vs. anaerobic organisms
Bactericidal agents preferred
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AMERICAN ASSOCIATION OF ENDODONTISTS
EndodonticsColleagues for Excellence
Use and Abuse of Antibiotics
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AAE Indications for Antibiotic Therapy (2006)
Fever > 100 degrees F
Malaise
Lymphadenopathy
Trismus
Increased swelling
Cellulitis
Osteomyelitis
Persistent infection
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Conditions NOT requiring adjunctive antibiotics…
Pain without signs and symptoms of infection (symptomatic reversible pulpitis, acute periradicular periodontitis)
Chronic apical abscess
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AAE Antibiotic Recommendations (Adult)
Penicillin VK, 1,000 mg, then 500 mg q. 4-6 h. for 5 - 7 days
Amoxicillin, 1,000 mg, then 500 mg q. 8 h. for 5 – 7 days (also with clavulanate)
Clindamycin, 600 mg, then 300 mg q. 6 h. for 5 - 7 days
Metronidazole, 1,000 mg, then 500 mg q. 6 h. for 5 - 7 days (add to Pen VK or clindamycin)
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AAE Antibiotic Recommendations (2006)
Clarithromycin, 500 mg, then 250 mg q. 12 h. for 5 – 7 days
Azithromycin, 500 mg, then 250 mg once daily for 5 – 7 days
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Absorption/Distribution Plasma Half-Life
Penicillin V: moderate, inhibited by food, 80% protein-bound
Amoxicillin: well absorbed, 20% protein-bound
Clindamcyin: well-absorbed, 92-94% protein-bound
Metronidazole: well-absorbed, <20% protein-bound
Clarithromycin: well-absorbed, 65-75% protein bound
Azithromycin: well-absorbed, 7-50% protein-bound
Penicillin V: 1 hr
Amoxicillin: 1.3 hr
Clindamycin: 2.4-3 hr
Metronidazole: 8 hr
Clarithromycin: 3-7 hr
Azithromycin: 68 hrs
Comparative Pharmacokinetics
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Beta lactamase inhibitor + antibiotic combinations
Amoxicillin/clavulanate (AUGMENTIN)
Ampicillin/sulbactam (UNASYN)
Ticarcillin/clavulanate (TIMENTIN)
Piperacillin/tazobactam (ZOSYN)
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SOBOTTKA I ET AL.
ANTIMICROB. AGENTS CHEMOTHER.
2012;56(5):2565-9
Microbiological Analysis of a Prospective, Randomized, Double-Blind Trial Comparing
Moxifloxacin and Clindamyin in the Treatment of Odontogenic Infiltrates and Abscesses
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MethodsOutcomes (overall susceptibility absecess/infilt.)
Subjects randomized to moxifloxacin (MXF) or clindamycin (CLI)
Isolates obtained from infiltrates & abscesses
All bacteria identified
Antibiotic susceptibilities determined to MXF, CLI, LVX, PEN, AMC & DOX
MXF: 98%/98%
AMC: 97%/96%
LVX: 83%/86%
PEN: 66%/67%
CLI: 59%/60%
DOX: 51%/49%
8/71 subjects failed to recover
Sobottka et al. Methods/Outcomes
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FLYNN TR
ORAL AND MAXILLOFAC. SURG.
N. AM. 2011;23:519-36
(SYSTEMATIC REVIEW)
What are the Antibiotics of Choice for Odontogenic Infections, and How Long
Should the Treatment Course Last?
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Studies Included Outcomes
Clinical (8), laboratory (4)
A penicillin used in all studies
Aerobes & anaerobes lab-tested with a pen, a pen + lactamase inhibitor, clindamycin, & a fluroquinolone
Difference in patient cure rate in only 1 study
No one antibiotic superior
Antibiotics of choice (outpatients) = amoxicillin clindamycin, azithromycin, metronidazole, moxifloxacin
Outcomes from Flynn 2011
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The Use of Systemic Antibiotics in
the Treatment of Refractory Periodontitis
Santos R. et al.
JADA 2016;147(7):577-585
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Santos et al., JADA 2016
Methods Findings
Systematic review
6 included RCTs
Assessments based on reductions in probing depth or loss of attachment
SRP alone vs. SRP + antibiotics
5 antibiotics (incl. metronidazole & tetracycline
No Meta analysis done
1 study only had parallel design
High risk of bias across all studies (lack of controls)
“Quality of evidence does not allow the conclusion that adjunct systemic antibiotics are of additional benefit to SRP alone.”
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BEACHER N, SWEENEY MP, BAGG J
BRITISH DENTAL JOURNAL
2015;219(6):275-279
Dentists, Antibiotics an Clostridium difficile-associated Disease
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Severity Defined by Management
Mild 3 loose stools/day(no change WCC)
Oral metronidazole(500 mg tid/10-14 d)
Moderate 5-7 loose stools/day + elevated WCC
Oral metronidazole(500 mg tid/10-14 d)
Severe Variable loose stools, WCC>15x109/L or50% ↑Serum [Creatinine]or temp > 101◦ or abdominal/radiologic signs
Oral vancomycin 125 mg qid/10-14 d
Life-Threatening Above + hypotension, ileus/toxic megacolon or CT evidence
Spectrum of Clostridium difficile-associated Disease (CDAD)
(modified from Beacher N et al. Brit. Dent. J. 2015;219(6):275-9
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Risk Factors Warnings
Antibiotic exposure
Severe systemic disease
Older age
Immune suppresion
Risk factors NOT necessary to produce CDAD
Fluoroquinolones & cephalosporinsincreasingly implicated
Onset typically within 7 weeks of beginning of antibiotic therapy
Clostridium difficile-associated Disease
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Antibiotic Prophylaxis
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________________Retrospective Secular Trend Study___
Incidence of Infective Endocarditis
in England, 2000-2013
Lodi G, Figini L, Sardella A et al.
Dayer MJ, Jones S, Prendergast B, Baddour
LM, Lockhart PB, Thornhill MH
Volume 385, March 28, 2015
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“Although our data do not establish a causal association, prescriptions of antibiotic prophylaxis have fallen
substantially and
the incidence of infective endocarditis has increased significantly…”
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“This increase in the incidence of infective endocarditis was significant
for both individuals at high risk of infective endocarditis and those at
lower risk.”
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Areas of Controversy
Routine removal of third molars (uninfected)
Patients with breast, chin and other non-cardiovascular plastic surgical implants
Routine periodontal surgery
Diabetic patients
Patients with HIV-AIDS
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Evidence Insufficient to Recommend Routine
Antibiotics for Joint Replacement Patients Who
Undergo Dental Procedures (AAOS/ADA, 2012,
http://www.aaos.org/guidelines)
• Practitioners should consider changing their long-standingpractice of prescribing prophylactic antibiotics for patientswho undergo dental procedures
• No direct evidence that oral topical antimicrobials before dental procedures will prevent joint infections
• Consensus supports the maintenance of good oral hygiene
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From Sollecito et al. 2015
“In general, for patients with prosthetic joint implants, prophylactic
antibiotics are not recommended prior to dental procedures to prevent
prosthetic joint infection. The practitioner and patient should consider
possible clinical circumstances that may suggest the presence of a
significant medical risk in providing dental care without antibiotic
prophylaxis, as well as the known risks of frequent or wide-spread
antibiotic use.”
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ADA Center for Evidence-Based Dentistry
“*should only be considered after consultation with the patient and
orthopedic surgeon”
“In cases where antibiotics are deemed necessary, it is
most appropriate that the orthopedic surgeon recommend
the appropriate antibiotic regimen and when reasonable
write the prescription.”
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_______________________________Systematic Review___
Antibiotics to Prevent Complications
Following Tooth Extractions
Lodi G, Figini L, Sardella A et al.
Cochrane Database Syst. Rev. 2012 Nov 14;11:CD003811
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Methods Findings
Reviewed literature to 25 January 2012
18 double-blind RCTs
2,456 subjects
NNT infection = 12
NNT dry socket = 38
No evidence of effect for fever, swelling, trismus
NNH = 21
Lodi et al. (CD003811)
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_______________________________Original Contribution___
The Use of Prophylactic Antibiotics Prior
To Dental Procedures in Patients With
Prosthetic Joints
Sollecito TP et al.
Journal of the American Dental Association
2015; Jan 146:11-16
Systematicreview
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Administer prophylactic dose 30 mins to 1 hr before
procedure.
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General Considerations in Antibiotic Therapy
Most agents can be taken with food (except Pen VK, some erythromycins)
Prescribe Pen VK 1 h. a.c. or 2 h. p.c.
Prescribe with a large glass of water
ANY antibiotic can cause pseudomembranous colitis
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General Considerations in Antibiotic Therapy
Discontinue immediately if allergy occurs
Consider possible interactions with oral contraceptives and other drugs
Have patient avoid ingestion of alcohol while taking antibiotics
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Dental Antibiotics 2017
Penicillins/amoxicillin remain first-choice drugs
Alternative agents include clarithromycin, clindamycin & metronidazole
New evidence in favor of doxycycline & moxifloxacin in specific cases
Antibiotic resistance increasing but still limited in dentistry
Antibiotic prophylaxis required in specific, limited cases
NO COMPELLING EVIDENCE FOR CHANGE
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Analgesics/Current Issues
Role of NSAIDs
Role of OpioidsAnalgesics
OTC Combinations vs. Rx products
Heroin abuse
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Prescribing Decisions in Pain Management
Stimulus intensity (“level”)
Stimulus quality
Aggravating factors (fatigue, stress, etc.)
“Pharmacodynamic array” required (analgesia + sedation + antipyresis, etc.)
Concurrent contributions of procedural intervention
New scientific evidence
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PGE2 Levels in Inflamed Dental Pulps
0
20
40
60
80
100
120
140
160
Uninflamed Chronic Acute
[PGE2]
With permission, copyright University of Michigan, 2014
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Peripheral Sensitization/Neurogen
ic Inflammation (chemical/mechanical
axotomy)
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Adverse Effects of NSAIDs
CNS: headaches, tinnitus, dizziness
CVS: fluid retention, hypertension, edema, rarely MI and CHF
GI: pain, dysplasia, nausea, vomiting, bleeding, ulceration (long-term use)
Hepatic: abnormal liver function tests, rarely liver failure
Pulmonary: asthma
Skin: rashes, pruritus
Renal: renal insufficeincy, failure, hyperkalema, proteinuria
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Conditions With Risk for NSAID-Induced Nephropathy
Volume depletion/dehydration (diarrhea, vomiting)
Renal insufficiency
Heart failure
Diabetes
Advanced age
Kharasch, E. Anesth. Analg. 2004;98:1-3
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Dental Pain Model for Analgesic Research
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Dental Pain Model for Analgesic Research
Standard surgery (2 impacted mandibular third molars)
Narrow age range (young adults)
Subjects generally ASA I (not on medications)
Predictable time course of pain onset, etc.
Pain level moderate to severe
Very sensitive and robust
Minimal placebo effect (15%)
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From Norholt, SE. Int. J. Oral Maxillofac. Surg. 1998;27:8-27 (ref. Szmyd et al. 1965)
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“Number Needed to Treat (NNT)”
Relative proportion of patients who have a 50% or greater reduction in pain
Pain reduction for 4 – 6 hours
Single oral dose
Lower NNT = better analgesic efficacy (<2 = very effective)
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Minimum Efficacy Criteria for Comparisons
Between Treatments Using Individual Patient
Meta-Analysis of Acute Pain Trials (after Third
Molar Extration)
Moore RA, Straube S, Paine J, Derry S, McQuay HJ
2011, Vol. 152, pp. 982-989
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Moore RA et al. Pain 2011; 152:982-989Brit. Dent. J. 2011;211(9):419-420
Etoricoxib 120 mg NNT = 1.7 (1.6 in 2007 Oxford League Table) (Merck, 2004-05, n = 1,126)
Ibuprofen 200/400 mg + 500/1,000 mg APAP NNTs = 1.5/1.6 (not reported in 2007 Oxford League table) (Reckitt Benckiser data, 2010, n = 969, 3 or 4 third molars) (confirmed Cochrane
“the lowest (best) NNTs we have seen in the dental pain model.”
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MOORE RA, DERRY S, ALDINGTON D, WIFFEN PJ
Single Dose Oral Analgesics for Acute Postoperative Pain in Adults—an Overview
of Cochrane Reviews (Review)
Cochrane Database Syst. Rev.2015, Issue 9Art. No. CD008659DOI: 10.1002/14651858.pub3
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Outcomes: Moore et al. 2015
Current through 4 May 2015
Inclusion required 2 studies with >200 participants
Reviewed 39 Cochrane Reviews
~50,000 unique participants (all reviews)
460 individual studies
NNTs ranged from 1.5 to 20
Subjects in RCTs FASTING (“food can have a major impact on speed of absorption and probably effect.”
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NNTs Moore et al. 2015 (continued)
Ibuprofen/200 mg + acetaminophen/500 mg: 1.6
“Fast-acting” ibuprofen 200 mg: 2.1
Ibuprofen /200 mg + caffeine/100mg: 2.1
Diclofenac/50 mg: 2.1
Etoricoxib/120 mg: 1.8
Ibuprofen/400 mg: 2.5
Long duration (>8hrs): etoricoxib, difunisal/500 mg, acetaminophen/650 mg + oxycodone/10 mg, celecoxib/400 mg, ibuprofen/400 mg + APAP/1,000 mg
No evidence for analgesia: aspirin/500 mg & oxycodone 5 mg
No data for meloxicam, nabumetone, sulindac
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“Other” NNTs Moore et al. 2015 (continued)
Diflunisal/500-1,000 mg: 2.1 – 2.6
Etodolac /100-400mg: 2.9 – 4.8
Ketoprofen/25-100 mg: 2.0 – 3.3
Naproxen/200-220 mg: 3.4
Naproxen/500-550 mg: 2.7
Acetaminophen/300 mg + codeine/30 mg: 6.9
Acetaminophen/600 mg + codeine 60 mg: 3.9
Acetaminophen/650 mg + oxycodone/10 mg: 2.7
Acetaminophen/500 mg + oxycodone/10 mg: 1.8
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___________________________CONSORT Randomized Clinical Trial
Comparison between Prescription of Regular
or On-demand Ibuprofen on Postoperative Pain
After Single-visit Root Canal Treatment of
Teeth with Irreversible Pulpitis
Parirokh M et al.
JOE – Volume 40, Number 2, February 2014
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Methods Findings
58 subjects
Allocated to 2 groups
Group 1 = single dose 400 mg ibuprofen plus “rescue bag”
Group 2 = regular Rx for 400 mg ibuprofen q. 6 h. for 24 hours
NO controls
No difference in pain scores between groups at 24 & 48 hours
Group 2 used more pain medication
% moderate to severe pain 33-36% at 24 h
Only 6.9% not relieved
Methods and Findings: Parirokh et al.
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___________________________CONSORT Randomized Clinical Trial
Double-Blind Randomized
Placebo-Controlled Clinical Trial of
Nonsteroidal Anti-inflammatory
Drugs in the Control of Post-
endodontic Pain
Elzaki WM et al.
J. Endod. 2016;42(6):835-42
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Methods Findings
170 subjects with moderate to severe pain
Allocated to 5 groups 1,000 mg APA 600 mg ibuprofen + 1,000
mg APAP 500 mg mefenamic acid +
1,000 mg APAP 50 diclofenac + 1,000 mg
APAP Placebo
Best pain relief = ibuprofen+APAP
Mefenamicacid+APAP, diclofenac+APAP>
APAP alone
APAP alone = placebo
Methods and Findings: Elzaki et al.
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0
1
2
3
4
5
6
Post-Endodontic Treatment Pain Level/Day (VAS, 0-10)
1 2 3 7
*Modified heavily and shamelessly from Pak JG &White SN, J. Endod. 2011;37:429-38
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Time (hrs)
Plasma
Ibuprofen
(ug/ml)
(modified from Collier et al., Br. J. Clin. Pharmacol. 1978;5:530)
400 mg, single dose
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Whither opioids???
Less efficacious than
NSAIDs as single agents
Controlled substances,
abuse liability
Nausea, vomiting (-)
Sedation (+ or -)
Important alternatives
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“Metabolically-Dependent”
Prodrug
Response partially depen-
dant on activity of CYP2D6
Extensive, poor and ultra-
rapid metabolizers
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J. Oral Surg. 2013 September 71(9):1500-1503
Narcotic Prescribing Habits and Other Methods of PainControl by Oral and Maxillofacial Surgeons After Impacted Third Molar Removal
Mutlu I, Abubaker AO, Laskin DM Department of Oral and Maxillofacial Surgery, Virginia Commonwealth UniversityRichmond, VA
384 members of AAOMS surveyedHydrocodone Rx’d by 233/384 (5 mg) (55 used oxycodone), 20 dosage units common66% “recommended” NSAIDs
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Oxycodone blood level following single oral dose(manufacturer’s data)
Therapeutic
Toxic
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Single-dose
Assesses pain levels, not subjective interpretation of pain
Pharmaco-genomic variations
Why “NNT” does not tell the entire story about opioids
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Recently Reported NNTs for Opioids
Oxycodone 5 mg + APAP 325 mg: 5.5 (n=150)
Oxycodone 5 mg + APAP 500 mg: 2.2 (n=149)
Oxycodone 10 mg+ APAP 1,000 mg: 2.7 (n = 83)
Oxycodone 5 mg + ibuprofen 400 mg: 2.3
Codeine 25-60 mg + ibuprofen 400 mg: 2.2
Morphine 10 mg i.m.: 2.9 (n = 946)
Codeine 60 mg: 16.7 (n = 1,305)
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Practical Approaches to Dental Pain: 2017
Focus on removal of diseased tissue (tooth extraction or root canal procedure)
Use drugs as adjuncts to surgical intervention
Use drugs with anti-inflammatory component if possible (NSAID)
Therapy can be very successful with OTC agents
Usual time course of therapy = 2-3 days
Antibiotics are NOT analgesics
USE TWO AGENTS IN COMBINATION
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Analgesics/Current Issues
Role of NSAIDs
Role of OpioidsAnalgesics
OTC Combinations vs. Rx products
Heroin abuse
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Don’t wimp out (on dosage) Never substitute a drug for a curative dental
procedure Antibiotics are NOT for pain of SIP WAIT for onset of pulpal anesthesia Don’t waste your time repeating blocks Evaluate anxiety level BEFORE sedating Never underestimate OTC products Don’t get cute
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Pharmaceutical companies producing a wider array of controlled substances
Use of Medicare/Medicaid or insurance to fund drug habits
Internet (instant access to information)
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OXYCONTIN®: $80/tab OXYCODONE IR®: $30-40/tab Heroin: $15/bag Oxycodone combinations (PERCOCET®): $7-
10/tab Hydrocodone combinations (VICODIN®) $5-7/tab
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“Video surveillance revealed this employee
attempting to retrieve narcotics from an intact
sharps container by sticking her hand blindly
into the container, resulting in her hand being
cut and bleeding from contact with needles and
glass.”
Berge KH et al. Mayo Clin. Proc. 2012;87(7):674-682
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“A night custodian was discovered
rummaging through sharps waste containers
holding nearly empty vials of fentanyl. On
questioning,
the custodian revealed that he had been
withdrawing and consolidating miniscule
remaining fentanyl from each vial, which he
later self-injected.”
Berge KH et al.
Mayo Clin. Proc.
2012;87(7):674-682
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• Schedule I: no current accepted medical usefulness and a high potential for abuse (heroin, LSD, marihuana)
• Schedule II: high potential for abuse but accepted medical usefulness as well (hydrocodone, oxycodone, morphine, amphetamines)
• Schedule III: less abuse potential and accepted medical uses (codeine combinations, e.g., Tyelenolwith Codeine #3)
• Schedule IV: lower abuse potential and accepted medical uses (benzodiazepines)
• Schedule V: lowest abuse potential, Rx not required in some jurisdictions (antitussives/anticough, antidiarrheal opioids)
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“Any criminal act
involving a
prescription drug.”
(National Association of Drug
Diversion Investigators)
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Physicians, dentists, veterinarians Parents/relatives “Leftovers” Travel (Mexico, South America, Caribbean) Direct sales on street and in clubs Theft (pharmacies, hospitals, offices) Friends/acquaintances “Stealing from grandma’s medicine
cabinet”
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A person who
obtains the same
controlled substance
from more than one
provider in the same
time frame.
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“Most people wouldn’t think of this, but at a
methadone clinic, everybody is either looking to
get rid of something, or looking to purchase
something, will come around a methadone clinic
and will come up to you and say, ‘I’ve got Xanax’.
As a matter of fact, last week I had three people
come up to me and tell me they had methadone
biscuits and Dilaudid and Xanax.”
Incardi, JA et al. Pain Med. 2007;8(2):171-183
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Cross state lines Pay cash (doctor &
pharmacy) Very cooperative Request specific drugs Request small
quantities of drugs
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Oxycodone: 4,434,731 Morphine: 1,026,184 Methadone: 454,503 Hydromorphone: 325,921 Meperidine: 132,950 28 million total doses lost/stolen
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Analgesia Sedation Nausea & vomiting Respiratory depression CV depression Euphoria/dysphoria Suppression of cough reflex Miosis Constipation
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Is this an ethical issue?
Do you believe that a Schedule II opioid is the best drug for a given clinical situation?
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Why do we
prescribe Vicodin?
Moore PA et al.
J. Am. Dent. Assoc. 2016;147(7):528-33
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“Established Prescribing Behaviors” “Image of US DEA Controlled Substances” “Enhanced Placebo Response” “Prescribing for the Most Severe Outcome” “Unfounded Expectations of APAP Efficacy” “Patient Expectations and Demands”
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Acad. Emerg. Med. 2014; 21(3):1500-1503
Randomized clinical trial of hydrocodone acetaminophenversus codeine acetaminophen in the treatment of Acute extremity pain after emergency department discharge
Chang AK et al.
(Tylox vs. Tylenol with Codeine #3)
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__________________________________Scientific Article
Severe Myeloneuropathy From Acute
High-Dose Nitrous Oxide Abuse
Alt RS et al.
Journa of Emergency of Medicine – 2010,
June 3 (Epub ahead of print)
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Am. J. Emerg. Med. 2012 July 30(6):1016Myleopathy and PolyneuropathyCaused by Nitrous Oxide Toxicity:A Case ReportHsu CK et al. Division of Neurosurgery, Armed Forces Tao-Yuan General HospitalTaoyuan, Taiwan
“We recommend an investigation of a historyof nitrous oxide abuse where an individualpresents with acute numbness characterizedby megaloblastic red cells an symmetric neurologic deficits.”
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Intensify effect of drugs of abuse (pharamcokinetic interaction, especially crystal meth)
High value on the black market Hidden phenomenon Drug abusers can exchange AIDS drugs for
preferred drug of abuse (high $ value)
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NORVIR® (ritonavir) SUSTIVA® (efavirenz) COMBIVIR®
(lamivudine+zidovudine) KALETRA® (lopinavir+ritonavir) TRIZIVIR® (abacavir+zidovudine)
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Breaks appointments, needs medication Pain “increasing” “Motrin is worthless, they sell it everywhere” “My prescription was stolen” “My dog ate my bottle of pills” “I’m going out of town, can you give some
refills?” “My doctor (physician) always gives me _____
for pain”. “I’m already taking _____.”
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Subst. Abuse Rehab. 2014 May 26(5):37-52Emerging Drugs of Abuse: Current Perspectives on Substituted Cathinones (~bupropion)Paillet-Loislier M et al.
“They act as CNS stimulants by causing the release of dopamine, norepinephrine & serotonin and blocking their reuptake.”
“Severe toxicity signs of excessive serotoninactivity (hyperthermia, metabolic acidosis, and prolonged rhabdomyolysis).”
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Potential Diversion of Local Anesthetics From Dental Offices for Use as Cocaine Adulterants
Saraghi M, Hersh EV
J. Am. Dent. Association 2014;145(3):256-9
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Beta blockersMuscle Relaxants
VIAGRAAntidepressants
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Nasal Administration
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Tooth-Dependent & Tooth-Independent Anesthesia
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Renaissance in TopicalAnesthesia
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________________________Review Article___________
Does Articaine Provide an Advantage OverLidocaine in Patients With SymptomticIrreversible Pulpitis? A Systematic Review and Meta-analysis
Kung J, McDonagh M, Sedgley CM
Journal of Endodontics, Volume 41, Number 11, November 2015, pp. 1784-1794
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“Maxillary infiltration. . . no significant difference for
pulpal anesthesia between articaine and lidocaine.”
“No difference for mandibular block. . .”
“No reports of adverse events”
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Current as of June, 2016
*Reader, A., Drum M., Nussetein . Pulpal anesthesia for
endodontic and restorative procedures. Quintessence Intl.
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1
• Buccal infiltration 3.6 ml
• 2% lidocaine + 1:100K epi
2
• IO or PDL injection*
• 2% lidocaine + 1:100K epi
3
• Repeat IO or PDL injection
• 2% lidocaine + 1:100K epi
*3% mepivacaine plain in medically compromised patients
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1
• Labial infiltration (1.8 ml)
• 2% lidocaine + 1:100K epi
2
• IO (1.8 ml) or PDL (0.2 ml) injection*
• 2% lidocaine + 1:100K epi
3
• Repeat IO or PDL injection
• 2% lidocaine + 1:100K epi
*3% mepivacaine plain in medically compromised patients
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1• IAN (1.8 ml) + long buccal blocks (0.9 ml)
• 2% lidocaine + 1:100K epi
2• IO (1.8 ml) or PDL injection (0.2 ml)*
• 2% lidocaine + 1:100K epi
3• Repeat IO or PDL injection
• 2% lidocaine + 1:100K epi
*3% mepivacaine plain in medically compromised patients
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1• IAN (1.8 ml)+ long buccal blocks (0.9 ml)
• 2% lidocaine + 1:100K epi
2• Buccal infiltration (1.7 ml)
• 4% articaine + 1:100K epi
3• IO (1.8 ml) or PDL injection (0.2 ml)
• 2% lidocaine + 1:100K epi*
*3% mepivacaine plain in medically compromised patients
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1
• IAN block
• 2% lidocaine + 1:100K epi (1.8 ml)
2
• Buccal infiltration
• 4% articaine + 1:100K epi (1.7 ml)
3
• IO (1.8 ml) or PDL injection (0.2 ml)
• 2% lidocaine + 1:100K epi*
*3% mepivacaine plain in medically compromised patients
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1
• IAN block
• 2% lidocaine + 1:100K epi(1.8 ml)
2
• Labial infiltration
• 4% articaine + 1:100K epi (1.7 ml)
3
• Lingual infiltration
• 4% articaine + 1:100K epi* (1.7 ml)
*3% mepivacaine plain in medically compromised patients
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Repeat IANB (only if lower lip NOT numb) (note initial success rate of 25% pulpal anesthesia even when lip numbness is achieved)
Intraosseous or PDL injection (48-68% success rate)
Infiltration with 4% articaine (1.7 ml) (72% success rate)
Apply the Bubba Rule
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Tooth Pulp Onset Time Cases with slow onset (>30 mins)
Second molar 5.2 min 12%
First molar 9.2 min 14%
Second premolar9.5 min
19%
First premolar 9.9 min 20%
Canine 13.6 min 20%
Lateral incisor 13.8 min 20%
Central incisor 19.2 16%
Approximate Onset of Pulpal Anesthesia Following Inferior Alveolar Nerve Block*
*modified from Reader et al., Successful Local Anesthesia , 2011
*
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DRUG 2012 (MRD) (+ABSOLUTE)
Articaine
Bupivacaine
Lidocaine
Mepivacaine
Prilocaine
7 mg/kg (no MRD for absolute)
2 mg/kg (90 mg absolute)
7 mg/kg (500 mg absolute)
6.6 mg/kg (400 mg absolute)
8 mg/kg (600 mg absolute)
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++ (adult surgery)
+++ (ASA II, III)
--- (levonordefrin?)
++++ (max. infilt., IANB = articaine)
++++ (mandibular infiltration, all teeth)
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___________________________CONSORT Randomized Clinical Trial
Efficacy of Articaine vs. Lidocaine in
Block and Infiltration Anesthesia in Teeth
with Irreversible Pulpitis: A Prospective,
Randomized, Double-Blind Study
Ashraf H et al.
JOE – Volume 39, Number 1, January 2013
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Nydegger, B. et al.J. Endod. 2014;40:1912-16
Anesthetic Comparisons of 4% Concentrationsof Articaine, Lidocaine and Prilocaine as Primary Buccal Infiltrations of the Mandibular First Molar
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60 Adult subjects, healthy mandibular 1st
molars Double-blind, crossover design Success assessed using EPT 1.8 ml anesthetic 4% articaine with 1:100,000 epi 4% lidocaine with 1:100,000 epi 4% prilocaine with 1:200,000 epi 55% >>>33% = 32%
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Rogers, B. et al.University of MichiganJ. Endod. 2013
• 100 Subjects• Irreversible pulpitis, mandibular molars• IANB 4% articaine + buccal infiltration with
articaine or lido• IANB = 26%• BI = 62% vs. 37% (p<.05)
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Efficacy of Articaine versus Lidocaine In
Supplemental Infiltration For Mandibular
First versus Second Molars with
Irreversible Pulpitis
Shapiro M. et al.
Journal of Endodontics;
SUBMITTED/IN PRESS
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METHODS FINDINGS
Randomized, double-blind 100 patients with SIP (1st &
2nd molars) Failed IANB (articaine) Buccal infiltration 2%
lidocaine or 4% articainewith 1:100K epi
Success rate articainegroup = 61% 1st molar, 63% second
Success rate lidocaine group = 78% 1st molar, 40% 2nd molar (p<.005)
Articaine “tooth-independent”, lidocaine “tooth-dependent
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Lidocaine = ArticaineBuccal Infiltration
Articaine > LidocaineBuccal Infiltration
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__________________________________Clinical Research
Is a Volume of 3.6 mL Better than 1.8 mL
for Inferior Alveolar Blocks in Patients
with Symptomatic Irreversible Pulpitis?
Fowler S, Reader A, Beck M
Journal of Endodontics 2013; Volume 39, Number 8, pp. 970-72
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_______________________Consort Randomized Clinical Trial___
Does the Combination of 3% Mepivacaine
and 2% Lidocaine Improve Anesthesia
And Reduce the Pain of Inferior Alveolar
Block?
Lammers E et al.
Journal of Endodontics – Volume 40, Number 9, 2014, pp. 1287-92
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_______________________Consort Randomized Clinical Trial___
Incidence of Missed Inferior Alveolar
Nerve
Blocks in Vital Asymptomatic Subjects
and
in Patients With Sympomatic Irreversible
PulpitisFowler S, Reader A, Beck M
Journal of Endodontics – Volume 41, Number 5, 2015, pp. 637-9
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INFERIOR ALVEOLAR BLOCKINFILTRATION (MAXILLARY)
25: 67% 27: 32% 30: 0%
25: 19% 27: 60% 30: 21%
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_________________________ Randomized Clincal Trial
Lack of Pain Reduction by a Vibrating
Local Anesthetic Attachment:
A Pilot Study
Saijo M, Ichinohe T, Kaneko Y.
Anesthesia Progress 2005;52:620-64
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_________________________Clincal Trial
The Effect of Vibration on Pain During
Local Anesthetic Injections
Nanitsos E, Vartuli R, Forte A, Dennison PJ, Peck CC.
Australian Dental Journal 2009;54:94-100
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METHODS RESULTS
62 adult subjects VAS pain scale Received IANB & maxillary
infiltrations Control was pressure from
device w/o vibration
VAS = 22.2 mm w/o vibration (across all injections) (range 0-83)
VAS = 12.9 mm with vibtration (range = 0-67)
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_________________________Randomized Clincal Trial
A Comparison of the Anterior Middle
Superior Nerve Block and Infraorbital
Nerve Block for Anesthesia of Maxillary
Anterior Teeth
Corbett IT, Jaber AA, Whitworth JM, Meechan JG
Journal of the American Dental Association Volume 141, Number 12, 2010, pp. 1442-8
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Effect of Sodium Bicarbonate-Buffered
Lidocaine on the Success of Inferior
Alveolar Nerve Block for Teeth with
Symptomatic, Irreversible Pulpitis:
A Prospective, Randomized, Double-Blind
Study
Saatchi M. et al.
Journal of Endodontics 2015;
41(1):33-35
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METHODS FINDINGS
Randomized, double-blind 80 patients with SIP
(posterior teeth only) 2 carts 2% lidocaine with
1:80K epi or 2 carts 2% lidocaine with
1:100K epi BUFFERED (8.4% HCO3)
Success rate buffered group = 63%
Success rate non-buffered group = 48% (n.s.)
No difference in VAS pain scores between groups (endo access)
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_________________________CONSORT Randomized Clincal Trial________
Effect of Buffered 4% Lidocaine on the
Success of the Inferior Alveolar Nerve
Block in Patients With Symptomatic
Irreversible Pulpitis
Schellenberg J, Drum M, Reader A,
Nusstein J, Fowler S, Beck M
Journal of Endodontics
Volume 41, Number 6, 2015,
pp. 791-6
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METHODS FINDINGS
Randomized, double-blind 100 patients with SIP 2.8 ml 4% lidocaine with
1:100K epi or 2.8 ml 4% lidocaine with
1:100K epi BUFFERED (8.4% HCO3)
Success rate buffered group = 32%
Success rate non-buffered group = 40% (n.s.)
No difference in pain of injection between groups
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Effect of Sodium Bicarbonate-Buffered
Lidocaine on the Success of Inferior
Alveolar Nerve Block in Mandibular Molars with
Symptomatic, Irreversible Pulpitis:
A Prospective, Randomized, Double-Blind
Study
Saatchi M. et al.
Journal of Endodontics 2016;
42:1458-1461 August
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METHODS FINDINGS
Randomized, double-blind 100 patients with SIP lower 1st
molars BI with 2% lido/1:80K epi or BI
with 2% (1 ml) lidocaine + 8.4 NaHCO3
Conventional IANB, 3.6 ml 2% lido/1:80K epi
VAS pain/endo access
Success rate BI buffer group = 78%
Success rate non-buffered BI group = 44% (p<.001)
Buccal infiltration of buffer increases success rate of IANB in “hot” molars
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Simultaneous Buffering: The buffer is added to the local anesthetic solution prior to injection and both buffer and anesthetic delivered at the same time(co-localized)
Sequential Buffering: The buffer is administered buccally prior to administration of a block injection with a standard local anesthetic solution
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Effect of Premedication to Provide
Analgesia as a Supplement to Inferior
Alveolar Nerve Block for Teeth with
Irreversible Pulpitis
Lapidus D. et al.
JADA 2016;147(6):427-435
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METHODS FINDINGS
Systematic review 9 included RCTs Oral premedications
compared to placebo, ½-1 hr before procedure
All studies used 2% lidocaine
Included NSAIDs, BZs and corticosteroids
RR NSAIDs = 1.989 RR BZs ~ 1 (2 studies) Best evidence for 600 mg
ibuprofen
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Lidocaine Contact Allergy Is Becoming
More Prevalent
To D., Kossintseva I, de Gannes G.
Dermatol. Surg. 2014;40(12):1367-72
“The prevalence of allergic contact dermatitis to local anesthetics is significant at 2.4%. The most common allergen is benzocaine (45%), followed by lidocaine (42%) and dibucaine (23%).
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J. Am. Dent. Assoc. 2013 May 38(5):594-597
An Evaluation of 10% and 20% Benzocaine Gels In Patients With Acute Toothaches
Hersh EV et al. University of Pennsylvania (primary center)
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5 study centers576 subjects (276 males, 300 female)All subjects had “toothache” (VAS score >49 mm), permanent tooth, “cavity”Primary outcome measure was improvement by one unit (pain scale 0-3)Measured for 2 assessments over 20 min
Average age = 31 yrsVehicle = 70.4% pain relief10% benzocaine = 80.7% pain relief20% benzocaine = 87.3% relief
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_____________________________________________Clinical Research
Safety and Efficacy of a Novel
Nasal Spray for Maxillary Dental
Anesthesia
Ciancio SG et al.
Journal of Dental Research –Volume 92, Suppl. Number 1, 2013, pp. 43S-48S
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new topical anesthetic old injectable local anesthetic new inhalational dental anesthetic none of the above
Tetracaine 3%
+ oxymetazoline
0.05%
(KOVANAZE®)
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___________________________________Clinical Research
Safety and Efficacy of a Novel
Nasal Spray for Maxillary Dental
Anesthesia
Ciancio SG et al.
Journal of Dental Research – Volume 92,
Suppl. Number 1, 2013, pp. 43S-48S
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SUBJECTS
Randomized, double-blind 110 adults (both sexes) Normal facial sensation Unobstructed nares on the
treatment side Excluded HBP, thyroid
disease, nose bleeds, allergies, MAOIs, nursing/pregnant
Need single restorative procedure #4-13 (resins)
ASSESSMENTS
2 “sprays” + 1 (if anesthesia insufficient)
Placebo controlled (saline inhalation)
Success if procedure completed w/o need for injection (with 2 sprays)
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_____________________________________________Clinical Research
Comparison of 3 Intranasal Mists
for Anesthetizing Maxillary Teeth in
Adults
Ciancio SG et al.
JADA 2016, May, 147(5):339-347
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110 subjects, randomized to 3 groups
44 received K305 (Kovacaine)
44 received tetracaine-only spray
22 received placebo Performed routine
restorative procedures, premolar to premolar
K305 success = 84% Tetracaine success = 27% Placebo success = 27% Anteriors>premolars K305 = significant but
brief increased BP Most frequent adverse
effects runny nose, nasal congestion (~2 hrs)
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Did not use EPT/cold as measure of pulpal anesthesia
Relatively small number of subjects Did not test in molar teeth Utilized primarily resin restorations
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Shelf-life No need to refrigerate Co$t Onset (<14 mins) Ability to use in children <40 kg (88 lbs) Number of administrations (1 cartridge) Procedure > 11 mins
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AGENT DOSAGE MAXIMUM
Articaine
Bupivacaine
Lidocaine with epi
Mepivacaine
Prilocaine
Tetracaine
7 mg/kg (no MRD for absolute) (use 500)
2 mg/kg (90 mg)
7 mg/kg (500 mg)
6.6 mg/kg (400 mg)
8 mg/kg (600 mg) 16 mg (3 sprays)
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Articaine: 7 mg/kg, 500 mg absolute
Lidocaine: 4.4 mg/kg, 300 mg absolute
Mepivacaine: 4.4 mg/kg, 300 mg absolute
Prilocaine: 6 mg/kg, 400 absolute
Bupivacaine: 1.3 mg/kg, 90 mg absolute
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1. Selection of agents should be based upon: a. patient’s medical history and
mental/developmental statusb. anticipated duration of the procedurec. need for hemorrhage controld. administration of other agents
(sedatives)e. Practitioner’s knowledge of the agent
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2. Use of vasoconstrictors is recommended to decrease risk of toxicity, especially when treatment extends to 2 or more quadrants
3. In cases of bisulfite allergy, an anesthetic without vasoconstrictor is recommended and can be used for shorter treatment needs
4. The established maximum dosage for any anesthetic should not be exceeded
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1. Practitioner should possess appropriate training and skills & have proper facilities, personnel & equipment to manage emergencies
2. Ensure proper needle placement & aspiration, slow injection
3. Remain with patient after injection
4. Minimize residual soft-tissue anesthesia
5. Recommend behavioral precautions regarding self-inflicted, soft-tissue trauma, even if phentolaminemesylate used as reversal agent (Oraverse®)
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Alternative techniques for the delivery of local anesthesia may be considered to minimize dose, improve patient comfort and/or improve successful dental anesthesia
Mandibular buccal infiltration AS EFFECTIVE as IAB for “some operative procedures”
Intraosseous techniques contraindicated for primary teeth and/or infection/inflammation at injection site
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What are the possible conditions for which the drug(s) is/are being prescribed?
Is the patient complying with the medication regimen(s)?
What is the ASA classification of the patient? What are the systemic adverse effects of the
drug(s)? What are the oral adverse effects of the
drug(s)? What are the potential adverse interactions
between the medical and dental drugs and how do I avoid them?
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ZERO to General Dentistry in 20 Drugs or Less
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Local anesthetics/epinephrine NSAIDS (APAP)/Opioid analgesics Benzodiazepine/nitrous oxide Penicillins/metronidazole Local anesthetics/corticosteroids Phentolamine/epinephrine (ORAVERSE) Local anesthetics/nitrous oxide
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Local anesthetics/sedatives Opioid analgesics/sedatives Alcohol/sedatives Cocaine (amphetamine, meth)/epinephrine Anti-arrhythmic drugs/epinephrine
ZERO to General Dentistry in 20 Drugs or Less
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Topical: minutes Injectable local: hours Oral analgesics: days Antibiotics: weeks
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What are the possible conditions for which the drug(s) is/are being prescribed?
Is the patient complying with the medication regimen(s)?
What is the ASA classification of the patient? What are the systemic adverse effects of the
drug(s)? What are the oral adverse effects of the
drug(s)? What are the potential adverse interactions
between the medical and dental drugs and how do I avoid them?
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Drug Interactions of ConcernDental Considerations (vital
signs, chair positioning, emergency prevention)
Consultations “Teach Patient/Family to:”
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Agitation Muscle hyperactivity Hyperthermia Potentially fatal
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Potential need for additional sedation
Avoid CNS depressant interactions
Assess salivary flow as a factor in caries, periodontal disease and candiasis
Consider other interactions (e.g., macrolide antibiotics)
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ADA Center for Evidence-Based Dentistry drugs.com fda.gov University of Washington Cochrane Library (systematic reviews) Global RPh (dosage calculations) AAOMS AAOS AAE AAPD